Finding the Fourth Proportional to 423,271.81, 584,131.94 and 232,292.08
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Solution
The fourth proportional to 423,271.81, 584,131.94 and 232,292.08 is: 320,572.31
Step by Step Solution
- Step 1: Write the proportion equation
423,271.81 : 584,131.94 = 232,292.08 : x - Step 2: Convert to fraction form
423,271.81/584,131.94 = 232,292.08/x - Step 3: Cross multiply
423,271.81x = 584,131.94 × 232,292.08 - Step 4: Simplify right side
423,271.81x = 135,689,223,337.04 - Step 5: Solve for x
x = 135,689,223,337.04/423,271.81 - Step 6: Final answer
x = 320,572.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.